WO2012076269A2 - Procédé de réglage d'un jeu axial entre un induit de moteur et un palier et logement d'un induit de moteur - Google Patents

Procédé de réglage d'un jeu axial entre un induit de moteur et un palier et logement d'un induit de moteur Download PDF

Info

Publication number
WO2012076269A2
WO2012076269A2 PCT/EP2011/069533 EP2011069533W WO2012076269A2 WO 2012076269 A2 WO2012076269 A2 WO 2012076269A2 EP 2011069533 W EP2011069533 W EP 2011069533W WO 2012076269 A2 WO2012076269 A2 WO 2012076269A2
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
armature shaft
disc
spacer sleeve
armature
Prior art date
Application number
PCT/EP2011/069533
Other languages
German (de)
English (en)
Other versions
WO2012076269A3 (fr
Inventor
Juergen Herp
Joerg Aschoff
Susanne Dostler
Thierry Ehrhart
Guenter Rohrer
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN2011800592545A priority Critical patent/CN103404006A/zh
Priority to EP11781780.9A priority patent/EP2649707A2/fr
Publication of WO2012076269A2 publication Critical patent/WO2012076269A2/fr
Publication of WO2012076269A3 publication Critical patent/WO2012076269A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1672—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at both ends of the rotor

Definitions

  • the present invention generally relates to methods for adjusting the axial clearance between a motor armature and a bearing secured to an armature shaft and for axially securing the motor armature. Throttle valves with an armature shaft, which has a bearing.
  • the motor armature which can be displaced in the axial direction is generally received by an armature shaft by a fixed bearing and a movable bearing in the housing of the electric motor and stored therein.
  • the fixed bearing must limit the allowable axial displacement of the armature shaft during operation, so that the motor armature is always in the region of the stator of the electric motor.
  • the control of the actual axial clearance of storage should be omitted after assembly. Disclosure of the invention
  • a method of adjusting the axial clearance between a motor armature and a bearing secured to an armature shaft and axially securing the motor armature comprises the following steps:
  • Positioning a motor cover is arranged in the bearing, on the armature shaft and attach the motor cover to the motor housing,
  • the method comprises the mounting step of mounting the armature shaft in a second bearing of the motor housing. Further, the method includes the assembling step of positioning the motor cover on the armature shaft and fixing the motor cover to the motor housing. Furthermore, the method comprises the mounting step of pressing the second disc onto the armature shaft to form a press fit until the second disc comes into contact with the spacer sleeve.
  • the actual axial bearing clearance of the bearing is specified by the dimensions of the spacer sleeve or the dimensional tolerances during assembly of the bearing.
  • the axial bearing clearance thus results directly from the dimensions of the two components spacer sleeve and bearing.
  • a further advantage of the present method for adjusting the axial play between the motor armature and a bearing secured to the armature shaft is that this advantageously eliminates the high test effort described above for mounting the axial bearing clearance actually set after the mounting of the armature shaft. In addition to this, there is no need for any subsequent work required to correct the position of the thrust washers or of the bearing, as a result of which the present method reduces the production costs and substantially increases the quality of the components produced.
  • the bearing is not yet mounted in the engine cover prior to assembly of the engine cover with the engine housing.
  • the present method additionally includes the assembling step of providing the bearing and mounting the bearing in the engine cover to a predetermined position.
  • the method of adjusting the axial clearance between a motor armature and a bearing secured to an armature shaft prior to pressing the first disk, it may be offset from its predetermined mounting position on the armature shaft by a predetermined amount against the direction of the motor armature.
  • the method of adjusting the axial clearance between a motor armature and a bearing secured to the armature shaft may include the step of assembling the first disk, spacer sleeve and the second disc in the axial direction of the armature shaft to the predetermined installation position of the first disc after pressing the second disc.
  • a bearing for an armature shaft is in one
  • the storage includes:
  • a spacer sleeve which is arranged on the armature shaft to form a press fit, so that the spacer sleeve is in contact with the first disk
  • a throttle valve may include the above storage, wherein the outer diameter of the spacer sleeve substantially corresponds to the inner diameter of the bearing.
  • the second disk in the final installed position of the first disk, the second disk may be in contact with both the bearing and the spacer sleeve.
  • this axial position of the armature shaft represents the maximum possible axial end position of the armature shaft or of the motor armature when an external force acts in the direction of the motor armature.
  • the length of the spacer sleeve is selected such that in the final installation position of the first disc, this disc only be in contact with the spacer sleeve.
  • the amount of axial bearing clearance of the bearing thus results from the component tolerances of the spacer sleeve and the bearing.
  • the preassembled bearing in the engine cover can be axially immovable. This ensures that the motor armature can move during operation only within the set axial bearing clearance in the axial direction.
  • Fig. 1 is a schematic sectional view of a portion of a motor armature and a fixed bearing for a throttle valve, which have been joined by the present method.
  • Fig. 1 shows a schematic sectional view of a portion of a motor armature (not shown) and a fixed bearing 50 for a throttle valve 100. This is separated from its surroundings by a motor cover 70 and a motor housing 90 and a pole pot. Inside the throttle valve 100, among other things, a commutator 80 and the electric motor (not shown) for actuating the throttle valve 100 are arranged. Over the entire length of the motor housing 90 and up to a predetermined
  • Length of the motor cover 70 away extends an armature shaft 30, which is housed in the fixed bearing 50 of the motor cover 70 and on the other hand in a floating bearing (not shown) in the motor housing 90 and rotatably supported.
  • a pinion 60 is arranged, which in the installed state of the throttle valve 100 with a flap
  • the motor cover 70 has in its central region a bearing seat which has a slide bearing 50 immovable in the axial direction.
  • the sliding bearing 50 is thus a fixed bearing, which may for example consist of a sintered material.
  • the sliding bearing 50 also has a bore for receiving a spacer sleeve 40 on its interior.
  • the inner diameter of the sliding bearing 50 corresponds to the outer diameter of the spacer sleeve 40.
  • the spacer sleeve 40 has a cylindrical shape, wherein the height is greater than the thickness of the sliding bearing 50 and defines the amount of axial bearing clearance for the fixed bearing.
  • a first disc 10 Adjacent to the spacer sleeve 40 is in the direction of the inside of the motor housing 90, a first disc 10 having a predetermined thickness (in the axial direction) pressed onto the armature shaft 30.
  • the first disc 10 is in its final installation position only with the spacer sleeve 40 in contact.
  • a second disc 20 is pressed adjacent to the spacer sleeve 40, which is in the final installation position of the first disc 10 with the spacer sleeve 40 in contact.
  • the thickness of the second disc 20 is equal to the thickness of the first disc 10, but the two thicknesses may be different.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Support Of The Bearing (AREA)

Abstract

L'invention concerne un procédé pour régler un jeu axial entre un induit de moteur et un palier (50) fixé sur un arbre d'induit (30) et pour bloquer dans l'axe l'induit de moteur, le procédé comprenant les étapes suivantes: - emmancher par pression une première bague (10) sur l'arbre d'induit (30) en la mettant en position de montage prédéfini sur l'arbre d'induit (30) et en formant un ajustement serré, - emmancher par pression une douille d'écartement (40) sur l'arbre d'induit (30) en formant un ajustement serré, de façon que la douille d'écartement (40) soit en contact avec la première bague (10), - monter l'arbre d'induit (30) dans un deuxième palier d'un carter moteur (90), - placer un couvercle de moteur (70), dans lequel est monté le palier (50), sur l'arbre d'induit (30) et fixer le couvercle de moteur (70) au carter moteur (90), - emmancher par pression une deuxième bague (20) sur l'arbre d'induit (30) en formant un ajustement serré, de sorte que la deuxième bague (20) et la douille d'écartement (40) soient en contact.
PCT/EP2011/069533 2010-12-09 2011-11-07 Procédé de réglage d'un jeu axial entre un induit de moteur et un palier et logement d'un induit de moteur WO2012076269A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2011800592545A CN103404006A (zh) 2010-12-09 2011-11-07 用于调整电动机电枢和轴承之间的轴向间隙的方法以及电枢轴的支承结构
EP11781780.9A EP2649707A2 (fr) 2010-12-09 2011-11-07 Procédé de réglage d'un jeu axial entre un induit de moteur et un palier et logement d'un induit de moteur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010062691 DE102010062691A1 (de) 2010-12-09 2010-12-09 Verfahren zum Einstellen des Axialspiels zwischen einem Motoranker und einem Lager sowie eine Lagerung einer Ankerwelle
DE102010062691.0 2010-12-09

Publications (2)

Publication Number Publication Date
WO2012076269A2 true WO2012076269A2 (fr) 2012-06-14
WO2012076269A3 WO2012076269A3 (fr) 2013-07-18

Family

ID=44936265

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/069533 WO2012076269A2 (fr) 2010-12-09 2011-11-07 Procédé de réglage d'un jeu axial entre un induit de moteur et un palier et logement d'un induit de moteur

Country Status (4)

Country Link
EP (1) EP2649707A2 (fr)
CN (1) CN103404006A (fr)
DE (1) DE102010062691A1 (fr)
WO (1) WO2012076269A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107370301B (zh) * 2017-07-20 2020-07-07 深圳市唯真电机发展有限公司 一种马达生产工艺及马达

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624434A (en) * 1970-11-20 1971-11-30 Gen Motors Corp Bearing support assembly for dynamoelectric machines and a method of manufacture therefor
DE19826919A1 (de) * 1998-06-17 1999-12-23 Hilti Ag Werkzeug zur Bearbeitung von harten Untergründen
DE19846919A1 (de) * 1998-10-12 2000-04-13 Bosch Gmbh Robert Elektromotor-Lüfterrad-Kombination und Verfahren zu deren Herstellung
JP2002357226A (ja) * 2001-03-28 2002-12-13 Nsk Ltd 玉軸受
CN2611664Y (zh) * 2003-04-01 2004-04-14 星云电脑股份有限公司 自动调补间隙的滚轮结构
CN2635982Y (zh) * 2003-06-11 2004-08-25 新疆滚动轴承制造有限责任公司 枢轴组合轴承

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number Publication date
WO2012076269A3 (fr) 2013-07-18
CN103404006A (zh) 2013-11-20
EP2649707A2 (fr) 2013-10-16
DE102010062691A1 (de) 2012-06-14

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